Home / 621,100.29-931,668.77-171,824.88

Finding the Fourth Proportional to 621,100.29, 931,668.77 and 171,824.88

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Solution

The fourth proportional to 621,100.29, 931,668.77 and 171,824.88 is: 257,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,100.29 : 931,668.77 = 171,824.88 : x
  2. Step 2: Convert to fraction form
    621,100.29/931,668.77 = 171,824.88/x
  3. Step 3: Cross multiply
    621,100.29x = 931,668.77 × 171,824.88
  4. Step 4: Simplify right side
    621,100.29x = 160,083,874,605.00
  5. Step 5: Solve for x
    x = 160,083,874,605.00/621,100.29
  6. Step 6: Final answer
    x = 257,742.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.